Merge branch 'duggasys-Quiz' into duggasys-feature-studentview
Made addstudent_ajax slightly more robust

And added some logging.
removed </inut>
Merge remote-tracking branch 'origin/duggasys-feature-studentview' into duggasys-master
Merge remote-tracking branch 'origin/duggasys-Quiz' into duggasys-master
Merge branch 'duggasys-master' into duggasys-Quiz